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Finding the Fourth Proportional to 133.47, 182.59 and 132.71

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Solution

The fourth proportional to 133.47, 182.59 and 132.71 is: 181.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.47 : 182.59 = 132.71 : x
  2. Step 2: Convert to fraction form
    133.47/182.59 = 132.71/x
  3. Step 3: Cross multiply
    133.47x = 182.59 × 132.71
  4. Step 4: Simplify right side
    133.47x = 24,230.27
  5. Step 5: Solve for x
    x = 24,230.27/133.47
  6. Step 6: Final answer
    x = 181.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.